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Finding the Fourth Proportional to 61,572.96, 92,340 and 26,503.20

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Solution

The fourth proportional to 61,572.96, 92,340 and 26,503.20 is: 39,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,572.96 : 92,340 = 26,503.20 : x
  2. Step 2: Convert to fraction form
    61,572.96/92,340 = 26,503.20/x
  3. Step 3: Cross multiply
    61,572.96x = 92,340 × 26,503.20
  4. Step 4: Simplify right side
    61,572.96x = 2,447,305,488
  5. Step 5: Solve for x
    x = 2,447,305,488/61,572.96
  6. Step 6: Final answer
    x = 39,746.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.